Abstract: Disclosed is a method for preparing ?-phenylethanol. The method comprises the following steps: (1) reducing a catalyst in a reactor in advance; (2) introducing pre-heated hydrogen gas to warm the reactor to a predetermined temperature; and (3) introducing a raw material styrene oxide to perform a hydrogenation reaction so as to obtain the ?-phenylethanol. The catalyst is Ni—Cu/Al2O3 nanosized self-assembled catalyst. The reactor is an ultrasonic field micro-packed bed reactor. The method of the present invention enables the selectivity of the ?-phenylethanol to reach 99% or more.

Abstract: Embodiments provide an optical coupling apparatus, an optical module, and a communications device. In those embodiments, the optical coupling apparatus includes: an optical fiber component, including a plurality of optical fibers and an optical fiber fixing block. The plurality of optical fibers are fixed to the optical fiber fixing block. A first end face is disposed on the optical fiber fixing block. At least some of the optical fibers include plug ends which protrude from the first end face. An optical write waveguide block, including a main body and a plurality of waveguides disposed in the main body. A second end face is disposed on the main body, coupling holes that are in a one-to-one correspondence with the plug ends are disposed on the second end face in a recessed manner, and the coupling holes are formed when ends of the waveguides are recessed from the second end face.

Abstract: An imaging backplane, a driving method thereof and a fingerprint identification panel are provided, the imaging backplane includes M rows and N columns of imaging structures, 2M rows of first signal lines, 2N columns of second signal lines, a first reset sub-circuit and a second reset sub-circuit; wherein each imaging structure includes a first imaging unit and a second imaging unit; the first imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i-1 and the second signal line of column 2j-1 respectively, and the second imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i and the second signal line of column 2j respectively.

Abstract: The technology disclosed herein provides a system for allowing users to login into one or more devices without a password. Implementations of the system include one or more biometric data collection devices (shoe, glasses, watch) and a device configured to store one or more user identification data, receive a request for user verification, request user's biometric data from one or more of the biometric data collection devices, generate a personal unclonable function (PUF) value based on combination of at least one of the user identification data and the user's biometric data, and verify the user's identity by comparing the PUF value to the user's PUF benchmark.

Abstract: A transpose memory unit for a plurality of multi-bit convolutional neural network based computing-in-memory applications includes a memory cell and a transpose cell. The memory cell stores a weight. The transpose cell is connected to the memory cell and receives the weight from the memory cell. The transpose cell includes an input bit line, at least one first input word line, a first output bit line, at least one second input word line and a second output bit line. One of the at least one first input word line and the at least one second input word line transmits at least one multi-bit input value, and the transpose cell is controlled by the second word line to generate a multiply-accumulate output value on one of the first output bit line and the second output bit line according to the at least one multi-bit input value multiplied by the weight.

Abstract: A battery having a plurality of electrodes immersed in a water-in-salt electrolytic solution is disclosed. The water-in-salt electrolytic solution includes a sufficient amount of a lithium salt disposed in an aqueous solvent, at least 14 moles of lithium salt per kg of aqueous solvent, such that a dissociated lithium ion is solvated by less than 4 water molecules. The plurality of electrodes includes a first type electrode, a second type electrode, and a third type electrode selectively assembled in a predetermined order of arrangement into an electrode stack assembly. The first type electrode includes an activated carbon, the second type electrodes include one of a lithium manganese oxide (LMO) and titanium dioxide (TiO2), and the third type electrodes include the other of the LMO and TiO2. The first type electrode may be that of a cathode and/or anode.

Abstract: Provided is a compound represented by the following formula, or a salt thereof: [wherein each symbol is as defined herein.].

Abstract: Infectious diseases have been sources of large-scale epidemics and pandemics resulting in millions of casualties worldwide. Detection of these biological agents normally involves several lab processes including sample preparation, nucleic acid separation and amplification, and diagnostic analysis. These steps, either performed manually or automated by high-throughput machinery, are tedious, expensive, and highly susceptible to cross-contamination. The present system is an integrated lab-on-a-device designed, developed, and tested in compatibility with a mechanical fixture for sample-to-answer biological analysis of infectious diseases.

Abstract: A pixel circuit, which may include a first pixel unit having a first display driving circuit (12), a first pixel electrode (P1), and a first control circuit (11), and a second pixel unit having a second display driving circuit (22), a second pixel electrode (P2), and a second control circuit (21). The first control circuit (11) may be configured to adjust and latch a voltage of a first positive phase node (Q1) and the first display driving circuit (12). The first display driving circuit (12) may be configured to provide a first display driving voltage to the first pixel electrode (P1). The second control circuit (21) may be configured to adjust and latch a voltage of a second positive phase node (Q2) and the second display driving circuit (22). The second display driving circuit (22) may be configured to provide a second display driving voltage to the second pixel electrode (P2).

Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight module. The backlight module includes a backlight module body, a first light source component, and a second light source component. The backlight module body is provided with a first opening. The first light source component is disposed on the backlight module body and corresponds to the first opening. When the liquid crystal display panel is displaying, the first light source sequentially emits red light, green light, and blue light to an area of the liquid crystal display panel corresponding to the first opening.

Abstract: The present disclosure relates to a luminous nozzle and a nozzle base thereof. The nozzle base includes a nozzle base body and a fastener. The fastener cooperates with a cover to clamp the nozzle base body for installation and fixation. The nozzle base body includes a water inlet portion and a water spray portion communicated with each other. A predetermined number of lamp holes are provided transversely on an outer periphery of the water inlet portion. The luminous nozzle includes a nozzle core and a predetermined number of SMD LED lamps and further includes the above-mentioned nozzle base, with the nozzle core installed in the nozzle base body and the SMD LED lamps detachably installed in the lamp holes. This luminous nozzle has high light utilization efficiency and the SMD LED lamps have a stable installation structure and is easy to install and maintain.

Abstract: A high-voltage semiconductor device includes a substrate, a first insulating structure, a gate, a drain region, a source region and a doped region. The substrate has a first conductive type, and the first insulating structure is disposed on the substrate. The drain region and the source region are disposed in the substrate. The source region has a first portion and a second portion. The first portion has the second conductive type and the second portion has the first conductive type. The gate is disposed on the substrate, between the source region and the drain region to partially cover a side of the first insulating structure. The doped region is disposed in the substrate and has a first doped region and a second doped region, and the first doped region and the second doped region both include the first conductive type and separately disposed under the first insulating structure.

Abstract: A display device including a substrate, a first transistor, a second transistor, and a first capacitor electrode is provided. The first transistor is disposed above the substrate and includes a first semiconductor layer, a first gate electrode, and a first gate insulator layer. The first semiconductor layer includes a silicon semiconductor layer. The first gate electrode overlaps the first semiconductor layer. The first gate insulator layer is disposed between the first semiconductor layer and the first gate electrode. The second transistor is disposed above the substrate and includes a second semiconductor layer and a second gate electrode. The second semiconductor layer includes an oxide semiconductor layer. The second gate electrode overlaps the second semiconductor layer. The first capacitor electrode overlaps the second gate electrode. The first gate insulator is disposed above the first capacitor electrode.

Abstract: A method for video processing is provided to include performing, for a conversion between a current video block of a video and a coded representation of the video, a motion information refinement process based on samples in a first domain or a second domain; and performing the conversion based on a result of the motion information refinement process, wherein, during the conversion, the samples are obtained for the current video block from a first prediction block in the first domain using an unrefined motion information, at least a second prediction block is generated in the second domain using a refined motion information used for determining a reconstruction block, and reconstructed samples of the current video block are generated based on the at least the second prediction block.

Abstract: An image processing device and an image processing method are provided. A frame divider divides an original frame into a plurality of divided blocks. A multi-core circuit coupled to the frame divider and includes a plurality of processing cores and a frame stitching circuit. The processing cores perform an image processing process on the divided blocks to generate a plurality of processed frame blocks. The frame stitching circuit performs an image stitching process according to the processed frame blocks to generate a processed frame. The processing cores fetch the divided blocks and a plurality of extension pixels extending from the divided blocks to perform the image processing process, and a column number of the extension pixels is configured according to a window size requested by at least one window algorithm of the image processing process.

Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes processing circuitry. The processing circuitry is configured to decode prediction information of a block in a current picture from a coded video bitstream. The prediction information indicates an affine model in an inter prediction mode. The processing circuitry is configured to determine motion vectors of control points of the block according to the affine model. The processing circuitry is configured to determine a motion vector of a sub-block of the block from the determined motion vectors of the control points, one of a width and a height of the sub-block being less than 4. Further, the processing circuitry is configured to reconstruct at least a sample of the sub-block according to the determined motion vector.

Abstract: The present disclosure provides a rechargeable socket for charging a rechargeable battery of a wireless hair dryer including a handle and provides a wireless hair dryer system. The rechargeable socket includes a pedestal and a rechargeable assembly arranged in the pedestal. A top of the pedestal is recessed to form a plug-in part. The rechargeable assembly includes a circuit board and a rechargeable terminal electrically coupled to the circuit board. The rechargeable terminal passes through the plug-in part and extends to an inner cavity of the plug-in part. An end of the handle arranges a rechargeable connector. The end of the handle is inserted into the inner cavity of the plug-in part to allow the rechargeable terminal to be in contact with the rechargeable connector. In process of the handle rotatable relative to the plug-in part, the rechargeable terminal is kept in contact with the rechargeable connector.

Abstract: An image compression method and an image compressor are provided. The image compression method compresses the image data based on the fixed-length code (FLC) to generate the compressed data, and includes the following steps: determining whether a characteristic value of the image data meets a condition; encoding only the luminance component of the image data to generate the compressed data when the characteristic value meets the condition; encoding the luminance and chrominance components of the image data to generate the compressed data when the characteristic value does not meet the condition; and storing the compressed data.